[INFO] fetching crate qwitlib 0.4.0...
[INFO] building qwitlib-0.4.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate qwitlib 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate qwitlib 0.4.0
[INFO] finished tweaking crates.io crate qwitlib 0.4.0
[INFO] tweaked toml for crates.io crate qwitlib 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qwitlib 0.4.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding calamine v0.24.0 (available: v0.31.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3caad87b6d22cc34d9109d2c275f690e68e039c2ad188a7b8749e52da3fc0bd
[INFO] running `Command { std: "docker" "start" "-a" "d3caad87b6d22cc34d9109d2c275f690e68e039c2ad188a7b8749e52da3fc0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3caad87b6d22cc34d9109d2c275f690e68e039c2ad188a7b8749e52da3fc0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3caad87b6d22cc34d9109d2c275f690e68e039c2ad188a7b8749e52da3fc0bd", kill_on_drop: false }`
[INFO] [stdout] d3caad87b6d22cc34d9109d2c275f690e68e039c2ad188a7b8749e52da3fc0bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db0f0be226cd66a7c07bab35bc982a4a736022251fd135a0559eb126bb8e023d
[INFO] running `Command { std: "docker" "start" "-a" "db0f0be226cd66a7c07bab35bc982a4a736022251fd135a0559eb126bb8e023d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling codepage v0.1.2
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling calamine v0.24.0
[INFO] [stderr]    Compiling qwitlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ToUnixEpoch` is never used
[INFO] [stdout]  --> src/epoch_conversion.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait ToUnixEpoch {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lines.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct QError(String);
[INFO] [stdout]    |            ------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `QError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "db0f0be226cd66a7c07bab35bc982a4a736022251fd135a0559eb126bb8e023d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0f0be226cd66a7c07bab35bc982a4a736022251fd135a0559eb126bb8e023d", kill_on_drop: false }`
[INFO] [stdout] db0f0be226cd66a7c07bab35bc982a4a736022251fd135a0559eb126bb8e023d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31d170d0db5a5ea1a43cb29e7375e38b8f2b76bdb8df37591df2959317ca903a
[INFO] running `Command { std: "docker" "start" "-a" "31d170d0db5a5ea1a43cb29e7375e38b8f2b76bdb8df37591df2959317ca903a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stdout] warning: trait `ToUnixEpoch` is never used
[INFO] [stdout]  --> src/epoch_conversion.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait ToUnixEpoch {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lines.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct QError(String);
[INFO] [stdout]    |            ------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `QError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling qwitlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ToUnixEpoch` is never used
[INFO] [stdout]  --> src/epoch_conversion.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait ToUnixEpoch {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lines.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct QError(String);
[INFO] [stdout]    |            ------ ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `QError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "31d170d0db5a5ea1a43cb29e7375e38b8f2b76bdb8df37591df2959317ca903a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d170d0db5a5ea1a43cb29e7375e38b8f2b76bdb8df37591df2959317ca903a", kill_on_drop: false }`
[INFO] [stdout] 31d170d0db5a5ea1a43cb29e7375e38b8f2b76bdb8df37591df2959317ca903a